Kernel for best battery life

Just moved from the tmo galaxy s3 to this nexus 5. There are so many ROMs and kernels its ridiculous! I'm running Dirty Unicorn now but the battery seems to be draining kind of fast. What kernel is best for battery life?

You will need to test by yourself to see what kernel suits your needs.

Keep in mind that it's mainly your use, settings apps and signal quality that make the battery life... And it depends what you mean by "battery draining fast", without detailed battery stats it's subjective. Check also this thread: Nexus 5 Battery Results.

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